From Oracle FAQ
 Support status
PowerBrowser has been discontinued and is not longer available.
PoweBrowser offered the following features:
- act as a web server allowing users to host web pages on their personal computers
- support for third-party applications called Network Loadable Objects (NLOs)
- easy-to-use Database Wizard that helps users create database-enabled Web applications
- support for both SSL 2.0 and 3.0